Home / 782,790.27-1,173,815.31-303,242.69

Finding the Fourth Proportional to 782,790.27, 1,173,815.31 and 303,242.69

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Solution

The fourth proportional to 782,790.27, 1,173,815.31 and 303,242.69 is: 454,720.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,790.27 : 1,173,815.31 = 303,242.69 : x
  2. Step 2: Convert to fraction form
    782,790.27/1,173,815.31 = 303,242.69/x
  3. Step 3: Cross multiply
    782,790.27x = 1,173,815.31 × 303,242.69
  4. Step 4: Simplify right side
    782,790.27x = 355,950,906,298.51
  5. Step 5: Solve for x
    x = 355,950,906,298.51/782,790.27
  6. Step 6: Final answer
    x = 454,720.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.